package com.example.blog.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebServlet("/logout")
public class LogoutServlet extends HttpServlet{

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
	
		// 得到会话
		HttpSession session = req.getSession();
		// 让会话失效(即用户登出)
		session.invalidate();
		// 跳转首页
		resp.sendRedirect("login.jsp");
	
	}
}
